The burner must come in at a angle to create a swirling flame
The burner I used a 0.6 mig tip for the jet
The melting pot stainless bucket from boys
The refractory is 4parts perlite 1part Portland cement 1part bentonite clay powder the perlite is from B&Q cement from any builders and the bentonite clay is from a auto factors it used as a absorbent but you have to use a old food blender to turn it into powder